XY6CLS7XXTFM Transmitter

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Mic Input Audio Input Audio Amplifier U1B Modulator &Encoder IC1 (28MHz) Frequency Selection controller MCU IC2 (100k Hz) 72.1, 72.5, 72.9MHz ANT Pre Audio Amplifier IC J3 TX Block Diagram Y1 7.6 MHz Pre Mic Amplifier IC J5

MORNING SOUND INDUSTRIES CO., LTD. ROOM 2, NO.2, Fusing 4th Road, Chien Chen Dist., Kaohaiung, Taiwan R.O.C. Tel:-886-7-5368989, Fax: 886-7-5379799, e-mail: [email protected] Date: December 2, 2009 Letter of Agency I, an officer of Morning sound Industries Co. Ltd do hereby authorize Intertek Testing Services (Mr. Shawn Xing) to act on our behalf in front of the Federal Communications Commission with respect to all matters relating to certification of equipment under Part 15 and/or Part 95 of the FCC Rules until further notice. I further certify that no party (as defined in §1.2002(b) of CFR 47, 2007) to this application, including myself, is subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C., 862. Regards, Doris Lin Sales Manager/ Taiwan Office

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Technical description Description Function Component Antenna Transmit modulated RF signal Antenna Filter Suppression of spurious emissions C4, C1, L1, C2, L2, C3 Encoder/Modulation IC Signal encode and modulate IC1 Oscillator 7.6MHz Oscillator for IC1 Y1 MCU Control the frequency selection IC2 Amplifier Audio signal Amplifier U1B Amplifier Audio input Pre-Amplifier J3 Amplifier Microphone input Pre-Amplifier J5 Voltage Regulator Regulate the voltage U2, U3 Type of antenna: Dedicated, Telescopic antenna was used. Channel list: 72.1, 72.5, 72.9MHz. Type of modulation: FM modulation

1 2 3 4 5 6 ABCD 6 5 4 3 2 1 D CBA Tit le Number R evisio n Size B Date: 11 -Dec-200 9 Sh eet of Fil e: F:\ 无无无无 \MyDesign. ddb Drawn B y: 12 J2C ON2 L3 10 uH D1 1N40 07 L4 10 uH C 27 10 0uF /2 5V C 1110 4 Vin 1 GND 2 Vout 3 U27 8 08 R 12R D2LED C 28 10 0uF /1 0V C 1210 4 Vin 1 ADJ 2 Vout 3 U3L M3 17 R 851 0 R 730 0 C 29 10 0uF /1 0V C 1310 4 L5 10 uH C 30 10 0uF /1 0V C 14 10 4 3. 3V R 52 15 0K R 5122 K R 5318 0 C 5222 uF R 59 3K9 L1 0 4. 7u H 12 J1C ON2 123456789 10 J5 BA3308 R 5510 K R 541M C 531u F C 5447 uF C 55 47 3 R 5633 0 VCC VCC 123456789 10 J3 BA3308 R 58 10 0K R 57 10 K R 59 10 0 R 6033 0 C 5733 NC 5822 uF R 6310 K C 56 0. 1u F R 621M C 6047 3 C 6147 uF R 6712 0 VCC C 59 10 4 R 6422 0 R 65 30 KR 66 30 K L6 4. 7u H L7 4. 7u H 1234 J4C ON4 R 7710 0 U1B LM3 58 R 104K7 C 1710 0uF R 94K7 VCC 56 84 7 VCC C 16 10 0P R P2 20 0K R 21 10 K R 4 10 K C 20 47 3 R 3 10 KR 50 10 K C 50 10 uF C 51 10 uF U1A LM3 58 R 7310 0K Q390 13 R 61 5R 1 R 753K3 R 7422 K R 76 22 K VCC 1 23 48 R P310 KR 7210 K VCC R 711M C 732. 2u F D41N41 48 D31N41 48 C 7210 4 Q290 13 R 691M5 R 704K7 VCC C 7110 4 R 6833 K C 710 uF R 15 1K R 48 47 K C 18 33 3 R 11 10 K R 19 47 K GND 1 XI 2 XO 3 IOVDD 4 GND 5 INL 6 INR 7 SW 8 GND 9 R STB 10 GND 11 GND 12 SDA 13 SC L 14 GND 15 PA_OUT 16 IC1K T08 03M C 24 10 uF C 25 10 uF R 5 47 K R 6 47 K 3. 3V Y1 7. 60 0MHz C 2215 PC 2315 P VDD 1 P1 .3 2 P1 .2 3 P1 .1 4 P5 .4 5 P1 .0 6 P0 .0 7 VSS 8 IC22 5 01 3. 3 R 21K Frequ ency Selectio n C 310 P C 420 P Antenna L2 SW I0 805 F-R2 4K C 222 P L1 SW I0 805 R-R 47K C 112 P TP1 TP2 C 510 3

Controlled by EMC32 A Ref 97 dBμVAtt 0 dB * 50 kHz/Center 72 MHzSpan 500 kHz * * RBW 10 kHz VBW 30 kHz SWT 5 ms 3DB VIEW 1 PK 0 10 20 30 40 50 60 70 80 90 1 Marker 1 [T1 ] 82.56 dBμV 72.124000000 MHz 2 Delta 2 [T1 ] -60.16 dB -124.000000000 kHz Controlled by EMC32 A Ref 97 dBμVAtt 0 dB * 50 kHz/Center 73 MHzSpan 500 kHz * * RBW 10 kHz VBW 30 kHz SWT 5 ms 3DB 1 PK VIEW 0 10 20 30 40 50 60 70 80 90 1 Marker 1 [T1 ] 63.38 dBμV 72.906000000 MHz 2 Delta 2 [T1 ] -45.41 dB 138.000000000 kHz

Ref 106 dBμVAtt 10 dB ** A Center 72.5 MHzSpan 500 kHz50 kHz/ * * RBW 10 kHz VBW 30 kHz SWT 200 ms 3DB 1 PK VIEW * 2 PK VIEW 10 20 30 40 50 60 70 80 90 100 1 Marker 1 [T1 ] 63.29 dBμV 72.507000000 MHz 2 Delta 2 [T2 ] -23.78 dB -80.000000000 kHz 3 Delta 3 [T2 ] -27.34 dB 92.000000000 kHz D1 37.29 dBμV

Intertek Testing Services Shenzhen Ltd. Kejiyuan Branch 6F, D Block, Huahan Building, Langshan Road, Nanshan District, Shenzhen, P. R. China Tel: (86 755) 8601 6288 Fax: (86 755) 8601 6751 Website: www.china.intertek-etlsemko.com 4 December, 2009 MORNING SOUND INDUSTRIES CO., LTD. B2/8F,No. 2, Fusing 4rd Rd.,Cianjhen Dist, Kaohsiung, Taiwan Dear Doris Lin, Enclosed you will find your file copy of a Part 15 Certification (FCC ID: XY6CLS7XXT). For your reference, review normally takes 1 week. Approval will then be granted when no query is sorted. Please contact me if you have any questions regarding the enclosed material. Sincerely, Shawn Xing Assistant Manager Enclosure • The test results reported in this test report shall refer only to the sample actually tested and shall not refer or be deemed to refer to bulk from which such a sample may be said to have been obtained. • This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to copy or distribute this report. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results referenced from this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. • For Terms And Conditions of the services, it can be provided upon request. • The evaluation data of the report will be kept for 3 years from the date of issuance. TRF no.: FCC 15C_TXa FCC ID: XY6CLS7XXT Intertek Testing Services Shenzhen Ltd. Kejiyuan Branch 6F, D Block, Huahan Building, Langshan Road, Nanshan District, Shenzhen, P. R. China Tel: (86 755) 8601 6288 Fax: (86 755) 8601 6751 Website: www.china.intertek-etlsemko.com MORNING SOUND INDUSTRIES CO., LTD. Application For Certification (FCC ID: XY6CLS7XXT) FM Transmitter Model: CLS725 We hereby certify that the sample of the above item is considered to comply with the requirements of FCC Part 15, Subpart C for Intentional Radiator, mention 47 CFR [10-1-2008] SZ090100001-1 Billy Li 4 December, 2009 INTERTEK TESTING SERVICES TRF no.: FCC 15C_TXa FCC ID: XY6CLS7XXT i LIST OF EXHIBITS INTRODUCTION EXHIBIT 1: General Description EXHIBIT 2: System Test Configuration EXHIBIT 3: Emission Results EXHIBIT 4: Equipment Photographs EXHIBIT 5: Product Labelling EXHIBIT 6: Technical Specifications EXHIBIT 7: Instruction Manual EXHIBIT 8: Miscellaneous Information EXHIBIT 9: Test Equipment List INTERTEK TESTING SERVICES TRF no.: FCC 15C_TXa FCC ID: XY6CLS7XXT ii MEASUREMENT/TECHNICAL REPORT MORNING SOUND INDUSTRIES CO., LTD. - MODEL: CLS725 Additional Model: CLS721, CLS729 FCC ID: XY6CLS7XXT 4 December, 2009 This report concerns (check one:) Original Grant X Class II Change Equipment Type: DXX – Part 15 Low Power Communcation Device Transmitter Deferred grant requested per 47 CFR 0.457(d)(1)(ii)? Yes No X If yes, defer until: date Company Name agrees to notify the Commission by: date of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? Yes No X If no, assumed Part 15, Subpart C for intentional radiator − the new 47 CFR [10-1-2008 Edition] provision. Report prepared by: Shawn Xing Intertek Testing Services Shenzhen Ltd. Kejiyuan Branch 6/F, Block D, HuaHan Building, Longshan Road, Nanshan District, Shenzhen, China. Development Zone, Guangzhou, P. R.China. Phone: (86 755) 8601 6288 Fax: (86 755) 8601 6751 INTERTEK TESTING SERVICES TRF no.: FCC 15C_TXa FCC ID: XY6CLS7XXT iii Table of Contents 1.0 General Description................................................................................................ 2 1.1 Product Description ............................................................................................. 2 1.2 Related Submittal(s) Grants................................................................................. 2 1.3 Test Methodology ................................................................................................ 3 1.4 Test Facility ......................................................................................................... 3 2.0 System Test Configuration..................................................................................... 5 2.1 Justification.......................................................................................................... 5 2.2 EUT Exercising Software ..................................................................................... 5 2.3 Special Accessories ............................................................................................ 5 2.4 Equipment Modification ....................................................................................... 5 2.5 Measurement Uncertainty.................................................................................... 6 2.6 Support Equipment List and Descripition ............................................................ 6 3.0 Emission Results .................................................................................................... 8 3.1 Field Strength Calculation .................................................................................... 9 3.1 Field Strength Calculation (cont’d) ..................................................................... 10 3.2 Radiated Emission Configuration Photograph .................................................... 11 3.3 Radiated Emission Data .................................................................................…

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